Choose A, B, C, or D that best completes eac...
Câu hỏi: Choose A, B, C, or D that best completes each sentence. Certain _______ in the atmosphere, such as carbon dioxide, methane and nitrous oxide, block heat from escaping.
A. Effects
B. Emissions
C. Gases
D. layers
Câu hỏi trên thuộc đề trắc nghiệm
Kiểm Tra - Unit 6 !!